Scientists are investigating how drought kills crabs and marshes on Georgia's coast. Much of the state remains in drought despite recent rains. That puts pressure on rivers and eventually Georgia's broad estuaries. A researcher says, crab diseases seem to flare up when drought chokes off freshwater river flows.

The U.S. Geological Survey is looking at streams and wells in three states including Georgia. Water levels are at historic lows in some places. Field researchers will return later in the summer to measure impact on wildlife.

Businesses relying on South Georgia rivers are worried about the ongoing drought. Tourism is drying up along with the water running at historic low levels on the Satilla, Suwanee and St. Marys Rivers. One outfitters says, business is better near the coast, where tides boost water levels.

Camden County has issued a state of emergency banning people from using fireworks in anticipation of July 4th celebrations. With a drought characterized as “extreme,” the county hopes to avoid fires. Wildfires have already burned a quarter million acres this year in south Georgia.